Global Patent Index - EP 0906371 B1

EP 0906371 B1 20020313 - COLORED PIGMENT AND AQUEOUS COMPOSITIONS CONTAINING SAME

Title (en)

COLORED PIGMENT AND AQUEOUS COMPOSITIONS CONTAINING SAME

Title (de)

FARBPIGMENT UND WÄSSRIGE ZUSAMMENSETZUNGEN DIE DIESES PIGMENT ENTHALTEN

Title (fr)

PIGMENT COLORE ET COMPOSITIONS AQUEUSES CONTENANT LESDITS PIGMENTS

Publication

EP 0906371 B1 20020313 (EN)

Application

EP 97928007 A 19970523

Priority

  • US 9709862 W 19970523
  • US 66445596 A 19960617

Abstract (en)

[origin: WO9748769A1] A surface-modified colored pigment is disclosed which includes a colored pigment having no primary amines and at least one attached hydrophilic organic group, wherein said organic group comprises a) at least one aromatic group, and b) at least one ionic group or ionizable group, or a mixture of an ionic group or an ionizable group. The colored pigment may be blue, brown, cyan, green, violet, magenta, red, orange, yellow, mixtures thereof and the like. The surface-modified colored pigment, due to the hydrophilic groups on its surface, is readily dispersed in a liquid vehicle without the addition of a surfactant or other dispersing aid or additive. The surface-modified color pigment may be used in a variety of aqueous systems including, but not limited to, coatings, paints, papers, adhesives, latexes, inks, toners, textiles and fibers. In addition, an aqueous composition is disclosed including a water-based liquid vehicle and the surface-modified colored pigment described above. Also disclosed is an ink composition including a water-based liquid vehicle and the surface-modified colored pigment described above. Finally, a process is disclosed for preparing the surface-modified colored pigments having no primary amines and at least one attached hydrophilic organic group, wherein said organic group comprises a) at least one aromatic group, and b) at least one ionic group or ionizable group, or a mixture of an ionic group or an ionizable group.

IPC 1-7

C09B 67/22; C09B 67/08; C09B 69/00; C09B 67/46; C09D 11/00

IPC 8 full level

C08L 101/00 (2006.01); C09B 67/08 (2006.01); C09D 7/00 (2006.01); C09D 11/00 (2006.01); G03G 9/09 (2006.01)

CPC (source: EP US)

C09B 67/0004 (2013.01 - EP US); C09D 7/41 (2017.12 - EP US); C09D 11/322 (2013.01 - EP US); G03G 9/0906 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE ES FR GB IT LI NL

DOCDB simple family (publication)

WO 9748769 A1 19971224; AU 3232897 A 19980107; DE 69711040 D1 20020418; DE 69711040 T2 20020919; EP 0906371 A1 19990407; EP 0906371 B1 20020313; JP 2000513396 A 20001010; JP 4138882 B2 20080827; TW 426716 B 20010321; US 5837045 A 19981117; ZA 974680 B 19971230

DOCDB simple family (application)

US 9709862 W 19970523; AU 3232897 A 19970523; DE 69711040 T 19970523; EP 97928007 A 19970523; JP 50307698 A 19970523; TW 86107414 A 19970530; US 66445596 A 19960617; ZA 974680 A 19970528